国家自然科学基金资助项目51477151;深圳市科技创新委员会国际合作研发项目GJHZ20160301165723718;中国南方电网有限责任公司科技项目WYKJ00000027.This work is jointly supported by National Natural Science Foundation of China51477151;Shenzhen Municipal Science and Technology Innovation CommitteeGJHZ20160301165723718;China Southern Power Grid Company LimitedWYKJ00000027